problem while running genScaled.Dat .py file

[SaquibAnwar]

while running genScaled.Dat.py file its throwing the following error:

Traceback (most recent call last):
File "C:\Users\Saquib\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\indexes\base.py", line 3078, in get_loc
return self._engine.get_loc(key)
File "pandas_libs\index.pyx", line 140, in pandas._libs.index.IndexEngine.get_loc
File "pandas_libs\index.pyx", line 162, in pandas._libs.index.IndexEngine.get_loc
File "pandas_libs\hashtable_class_helper.pxi", line 1492, in pandas._libs.hashtable.PyObjectHashTable.get_item
File "pandas_libs\hashtable_class_helper.pxi", line 1500, in pandas._libs.hashtable.PyObjectHashTable.get_item

KeyError: 'pixels'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File ".\genScaledDat.py", line 9, in
data = data['pixels']
File "C:\Users\Saquib\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\frame.py", line 2688, in getitem
return self._getitem_column(key)
File "C:\Users\Saquib\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\frame.py", line 2695, in _getitem_column
return self._get_item_cache(key)
File "C:\Users\Saquib\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\generic.py", line 2489, in _get_item_cache

values = self._data.get(item)

File "C:\Users\Saquib\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\internals.py", line 4115, in get
loc = self.items.get_loc(item)
File "C:\Users\Saquib\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\core\indexes\base.py", line 3080, in get_loc
return self._engine.get_loc(self._maybe_cast_indexer(key))
File "pandas_libs\index.pyx", line 140, in pandas._libs.index.IndexEngine.get_loc
File "pandas_libs\index.pyx", line 162, in pandas._libs.index.IndexEngine.get_loc
File "pandas_libs\hashtable_class_helper.pxi", line 1492, in pandas._libs.hashtable.PyObjectHashTable.get_item
File "pandas_libs\hashtable_class_helper.pxi", line 1500, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 'pixels'

can you please help me as soon as you can?